- exceptional volume or intensity of sound; the fact or quality of being strongly audible: From the hallway they could hear his voice enter the conversation, with an abrupt loudness that made them exchange glances.
- the fact or characteristic of making, emitting, or uttering a strongly audible sound: Pressing a harpsichord key harder or softer had no effect on the instrument's loudness.
- clamorous, vociferous, or blatant character; noisiness: This student movement against school uniforms has taken on a tendency toward obnoxious loudness.
- emphatic or insistent quality: The loudness of protests by some members of the G7 resulted in the clause being dropped from the convention.
- garish, conspicuous, or ostentatious quality, as of colors, dress, or the person wearing them: A certain loudness in the colors and cut of his clothing was tempered by natural taste.
- obtrusive or vulgar character, as of a person or their behavior: Their flushed faces and general loudness of manner were proof that they had been drinking.
